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BMW E46 325i M54 2.5L

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BMW E46 325i M54 2.5L Engine Sensors

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3 Pin Connector

ES#4772589 - 12521433915 - 3 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the engine oil level sensor. - ECS - BMW

Includes connector housing with terminals and seals. Commonly used for the engine oil level sensor. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772589
Mfg#:
12521433915
In Stock
ON SALE! SAVE 25%
$10.99

This product was last offered at the strikethrough price on
06-13-2026

$8.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OIL PRESSURE SWITCH

ES#2801445 - 12618611273 - OIL PRESSURE SWITCH - Replacement oil pressure switch found on most BMWs - Rein - BMW

Replacement oil pressure switch found on most BMWs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801445
Mfg#:
12618611273
In Stock at Vendor
$11.99

This product was last offered at the strikethrough price on
04-20-2026

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#2561360 - 12617508003 - Oil Level Sensor - Turn that oil level light off - URO - BMW

Turn that oil level light off affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2561360
Mfg#:
12617508003
Ships in 1 Business Day
$63.99 USD
Free Shipping
on orders $49 and up

Oxygen Sensor - Priced Each

ES#27153 - 11781433940 - Oxygen Sensor - Priced Each - 2 Required in each application - Genuine BMW - BMW

2 Required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
27153
Mfg#:
11781433940
Ships in 4 Business Days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$404.99

This product was last offered at the strikethrough price on
07-06-2026

$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#27124 - 11781247406 - Oxygen Sensor - Priced Each - 2 required in each application - Genuine BMW - BMW

2 required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27124
Mfg#:
11781247406
Ships in 1 day
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$404.99

This product was last offered at the strikethrough price on
07-06-2026

$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#4316486 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Bavarian Autosport - BMW

Monitors coolant / oil temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316486
Mfg#:
13621433076
In Stock
ON SALE! SAVE 20%
$14.99

This product was last offered at the strikethrough price on
05-02-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race German Coolant Temperature Sender Adapter - 1/8NPT

ES#4493067 - RGCTSA1/8NPT - Race German Coolant Temperature Sender Adapter - 1/8NPT - Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! - Race German - BMW

Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4493067
Mfg#:
RGCTSA1/8NPT
Ships in 1 Business Day
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor - with hardware

ES#2856013 - 12617508003KT1 - Oil Level Sensor - with hardware - Turn that oil level light off, Includes new hardware - Genuine BMW - BMW

Turn that oil level light off, Includes new hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2856013
Mfg#:
12617508003KT1
Ships in 1 day
$335.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2 Pin Connector

ES#4772597 - 61132359999 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772597
Mfg#:
61132359999
Ships on Jul 28, 2026
Auto Notify
ON SALE! SAVE 25%
$10.99

This product was last offered at the strikethrough price on
06-13-2026

$8.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Mass Sensor (MAF)

ES#34425 - 13627566984 - Air Mass Sensor (MAF) - Brand new unit - Genuine BMW - BMW

Brand new unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
34425
Mfg#:
13627566984
In Stock
Limited Qty Sale
$696.99

This product was last offered at the strikethrough price on
05-02-2026

$640.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#34424 - 13627566983 - Mass Air Flow Sensor (MAF) - Controls the air / fuel mixture of the engine - Genuine BMW - BMW

Controls the air / fuel mixture of the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with the M56 engine only - Will not fit the M54 intake system

Brand:
Genuine BMW - Corporate Logo
ES#:
34424
Mfg#:
13627566983
Ships in 1 day
4% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$670.99

This product was last offered at the strikethrough price on
07-06-2026

$640.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front Manifold

ES#261729 - 11787514926 - Oxygen Sensor - Front Manifold - Located in the rear position of the exhaust manifold - Bosch - BMW

Located in the rear position of the exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 03/2003

Brand:
Bosch - Corporate Logo
ES#:
261729
Mfg#:
11787514926
In Stock at Vendor
$157.99

This product was last offered at the strikethrough price on
04-09-2026

$152.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#2895697 - 12147518628kit - Camshaft Position Sensor - Exhaust side - Vemo - BMW

Exhaust side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2895697
Mfg#:
12147518628KIT
In Stock at Vendor
$89.99

This product was last offered at the strikethrough price on
05-07-2026

$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - M12x1.5

ES#2873941 - 12617568480 - Oil Pressure Switch - M12x1.5 - Leaking or malfunctioning oil pressure switches can be disastrous - Febi - BMW
ECS Tuning recommends this product.

Leaking or malfunctioning oil pressure switches can be disastrous affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873941
Mfg#:
12617568480
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EVO Series Digital Oil Temperature Gauge - 100-300°F

ES#3006397 - 216EVOOT.F - EVO Series Digital Oil Temperature Gauge - 100-300F - Digital oil temperature gauge with dimmable red or blue backlighting - Prosport Performance - Audi BMW Volkswagen MINI

Digital oil temperature gauge with dimmable red or blue backlighting affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Prosport Performance - Corporate Logo
ES#:
3006397
Mfg#:
216EVOOT.F
Ships in 1 Business Day
$78.99 USD
Free Shipping

Crankshaft Position Sensor

ES#263912 - 12141709616 - Crankshaft Position Sensor - Does not include O-ring - Meyle - BMW
ECS Tuning recommends this product.

Does not include O-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
263912
Mfg#:
12141709616
Ships on Sep 29, 2026
Auto Notify
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Sensors

Random check engine light got you down? It's probably a bad sensor! We have all the electrical sensors your engine needs to send information to your ECU so everything stays happy. Find it, fix it, and replace it with our OEM sensors or save some money with quality aftermarket sensors.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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